Explanation:
p- 4000
r- 7
t-2years
SI- P×r×t/100
SI-4000×7×2/100
SI- 4000×14/100
SI- 56000/100
SI- 560
so anu give = p+ SI
= 4000+560
= 4560 ₹
r- 9
t-2 years
SI- 4000×9×2/100
SI- 4000×18/100
SI- 72000/100
SI- 720
so nidhi give= p+SI
= 4000+720
= 4720
I think it will help you
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